200120021111149 has 2 divisors, whose sum is σ = 200120021111150. Its totient is φ = 200120021111148.

The previous prime is 200120021111119. The next prime is 200120021111161. The reversal of 200120021111149 is 941111120021002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145317359205225 + 54802661905924 = 12054765^2 + 7402882^2 .

It is a cyclic number.

It is not a de Polignac number, because 200120021111149 - 2⁹ = 200120021110637 is a prime.

It is a super-2 number, since 2×200120021111149² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200120021111119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060010555574 + 100060010555575.

It is an arithmetic number, because the mean of its divisors is an integer number (100060010555575).

Almost surely, 2^{200120021111149} is an apocalyptic number.

It is an amenable number.

200120021111149 is a deficient number, since it is larger than the sum of its proper divisors (1).

200120021111149 is an equidigital number, since it uses as much as digits as its factorization.

200120021111149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 200120021111149 in words is "two hundred trillion, one hundred twenty billion, twenty-one million, one hundred eleven thousand, one hundred forty-nine".